Chevrolet Suburban 1500 Problem Report

Chevrolet Suburban 1500 Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

(6 reports)

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

The door controlling the air to the defrosters and the floor will not work. Heat comes out but will not go to the defrosters. -
cannot control hot/cold air mixture -
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